The major bike mfgrs do not allow their bikes to be sold online to protect their local dealers. This is a good thing. You need the expertise of the bike shop to get you on the right bike and get it fit to you. They may swap out the stem to make it fit better. Shops don't make too much money on bikes anyway. It's all the accessories that are marked up double+ where they make money. Still, you'll be able to take your bike back to the shop for minor adjustments for life--most lbs do that.
Seems like the 59 might be the one, 3-4 inches would definitely put you in a larger size. And Lemonds run long in the top tube, so it will feel more like a 60 or 61.